diff --git a/reactos/tools/rbuild/module.cpp b/reactos/tools/rbuild/module.cpp
index 6f71b952c86..1ead4f12ea4 100644
--- a/reactos/tools/rbuild/module.cpp
+++ b/reactos/tools/rbuild/module.cpp
@@ -452,6 +452,8 @@ Module::Module ( const Project& project,
 	}
 	if ( att != NULL )
 		allowWarnings = att->value == "true";
+	else if ( project.allowWarningsSet )
+		allowWarnings = project.allowWarnings;
 	else
 		allowWarnings = false;
 
diff --git a/reactos/tools/rbuild/project.cpp b/reactos/tools/rbuild/project.cpp
index 8366ce9664d..f8ab63d4681 100644
--- a/reactos/tools/rbuild/project.cpp
+++ b/reactos/tools/rbuild/project.cpp
@@ -298,6 +298,11 @@ Project::ProcessXML ( const string& path )
 	assert(att);
 	makefile = Environment::GetAutomakeFile ( att->value );
 
+	att = node->GetAttribute ( "allowwarnings", false );
+	allowWarningsSet = att != NULL;
+	if ( att != NULL )
+		allowWarnings = att->value == "true";
+
 	size_t i;
 	for ( i = 0; i < node->subElements.size (); i++ )
 	{
diff --git a/reactos/tools/rbuild/project.dtd b/reactos/tools/rbuild/project.dtd
index 87b37ef4d5b..dad95b0f4d0 100644
--- a/reactos/tools/rbuild/project.dtd
+++ b/reactos/tools/rbuild/project.dtd
@@ -137,6 +137,7 @@
 <!ATTLIST project
 	name      (ReactOS|Project) #REQUIRED
 	makefile  %Text;  #REQUIRED
+	allowwarnings	(true|false) "false"
 	xmlns:xi  %Text;  #FIXED "http://www.w3.org/2001/XInclude"
 >
 
diff --git a/reactos/tools/rbuild/rbuild.h b/reactos/tools/rbuild/rbuild.h
index 0d2d3be90a5..0365926775c 100644
--- a/reactos/tools/rbuild/rbuild.h
+++ b/reactos/tools/rbuild/rbuild.h
@@ -237,6 +237,8 @@ public:
 	std::map<std::string, Module*> modules;
 	IfableData non_if_data;
 	IfableData host_non_if_data;
+	bool allowWarnings;
+	bool allowWarningsSet;
 
 	Project ( const Configuration& configuration,
 	          const std::string& filename,